什么叫闭区间

页面:/news/view-135474/ | 耗时:0.3221 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=135474 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=135474 LIMIT 0,1
select * from tbl_Articles_sphinx where id=135474 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1078705,1079942,997352,1084563,1067964,1065729,1065871,1091097,1088926,1090699,1080801,1061344,1079007,994016,1085006,1064511,1073389,1062230,1077348,1064553,1096000,1069659,1053224,1071035,1060503,1070764,1075744,1075714,1083532,1049836) ORDER BY field (ArticleID,1078705,1079942,997352,1084563,1067964,1065729,1065871,1091097,1088926,1090699,1080801,1061344,1079007,994016,1085006,1064511,1073389,1062230,1077348,1064553,1096000,1069659,1053224,1071035,1060503,1070764,1075744,1075714,1083532,1049836)